EP3129531A1 - Garniture entièrement en acier pour une carde - Google Patents

Garniture entièrement en acier pour une carde

Info

Publication number
EP3129531A1
EP3129531A1 EP15708442.7A EP15708442A EP3129531A1 EP 3129531 A1 EP3129531 A1 EP 3129531A1 EP 15708442 A EP15708442 A EP 15708442A EP 3129531 A1 EP3129531 A1 EP 3129531A1
Authority
EP
European Patent Office
Prior art keywords
tooth
cusp
length
tooth tip
wire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15708442.7A
Other languages
German (de)
English (en)
Other versions
EP3129531B1 (fr
Inventor
Peter Gäbler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Truetzschler GmbH and Co KG
Original Assignee
Truetzschler GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Truetzschler GmbH and Co KG filed Critical Truetzschler GmbH and Co KG
Publication of EP3129531A1 publication Critical patent/EP3129531A1/fr
Application granted granted Critical
Publication of EP3129531B1 publication Critical patent/EP3129531B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • D01G15/88—Card clothing; Manufacture thereof not otherwise provided for formed from metal sheets or strips

Definitions

  • the present invention relates to an all-steel clothing for a card or carding machine for the processing of textile fibers, comprising a sawtooth wire in the wire running direction behind one another formed teeth, the tooth contour of the teeth, starting from a tooth base at least temporarily in a tooth back, further passing into a tooth tip section, on is determined in a tooth face and again in a subsequent tooth base, and wherein the tooth tip portion is formed with a designated in the wire running direction tooth tip length.
  • the sawtooth wire has serially formed teeth in the wire running direction, and a tooth tip portion, referred to as the head surface, is defined to have a length that is at least 15% of the length of the tooth pitch, and the tooth pitch is defined as the tooth tip to tooth tip distance of two adjacent teeth Teeth.
  • the tooth tip of each tooth is formed by the transition from the tooth tip portion into the tooth face.
  • all-steel fittings should have a long service life; on the other hand, the clothing should enable good alignment and cleaning of the textile fibers forming the yarns.
  • the surface of the tooth tip section defined by the width of the teeth in the Head area and the length of the tooth tip sections, as small as possible. If the surface is reground due to the wear of the sawtooth wire, the area of the tooth tip section increases, whereby the result of the carding is no longer satisfactory. This is due in particular to the fact that, in order to structure the teeth, in particular also for the interaction with the textile fibers, the flank angle of the back of the tooth must be flatter than the breast angle of the tooth face. If the surface of the tooth tip section is reground by abrading too often, the surface increases by shortening the tooth height until the all-steel set can no longer be used.
  • the object of the invention is the development of an all-steel set with a sawtooth wire, wherein the teeth of the sawtooth wire to have a tooth contour that allows the most frequent grinding of the tooth tip sections.
  • the surface of the tooth tip section should be made as small as possible, which does not grow unnecessarily even after repeated grinding.
  • the breast angle of the tooth face should remain unchanged even after repeated grinding.
  • the invention includes the technical teaching that a cusp is formed on the tooth tip portion, wherein the cusp has a cusp length that is smaller than the tooth tip length.
  • the object of the present invention is achieved by a cuspidate which is placed on a partial surface of the tooth tip section.
  • the cusp can be formed of the same material and in one piece with the tooth itself, for example, by the tooth contour of the tooth in the region of the tooth tip portion is changed by the contour of the cusp. If the cusps are abraded, the tooth tip length does not change, or only very slightly, as the cusp does not pass back into the back of the teeth. Rather, the cusp goes back into the tooth tip section.
  • the advantage is in particular that the all-steel set can be reground up to six times or even more often.
  • the angle of the breast between the tooth face and the perpendicular to the wire running direction can have a value of 50 ° to 60 ° and preferably of 55 °. This angle value does not change even after repeated regrinding of the all-steel set, and the all-steel set can be operated with an optimum angle of the chest even after repeated regrinding.
  • the cusp length may be 10% to 50% and preferably 15% to 25% of the tooth tip length.
  • the cusp can be provided in the front region on the tooth tip portion, so that the cusp is formed adjacent to the tooth face on the tooth tip portion. This ensures that the tooth contour forms the tooth tip in the transition from the cusps to the tooth face. If the sawtooth wire is reground, and the cusp is slightly shortened with each grinding process, the tooth tip moves downwards with simultaneous sharpening.
  • the sawtooth wire may be reground until the cusp on the tooth tip section is fully ground and the tip of the tooth will be retracted before termination of the tooth tip
  • Use of the sawtooth wire formed by a direct transition from the tooth tip section to the tooth face can be kept the value of, for example, 55 ° to the end of use of the sawtooth wire.
  • the cusp can be executed with a plan designed hump roof.
  • the cusp can have a protuberance behind the hump roof which is formed as part of the tooth contour approximately parallel to the located at the same height portion of the tooth face. If the contours of the cusp portion and the tooth face run approximately parallel to each other, the cusp length remains constant even after repeated regrinding, and the cusp length can be permanently 10% to 50% and preferably 15% to 25% of the tooth tip length, for example. This value does not change with a corresponding design of the cuspidor and remains independent of the frequency with which the sawtooth wire has been reground.
  • the hump roof may be formed parallel to the wire running direction of the sawtooth wire, wherein the wire running direction is defined by the profile of the bottom side of the sawtooth wire, which may also have a curvature in arrangement on a drum, for example on the tambour of a card, so that a corresponding tangent to the bottom side can be defined as wire running direction.
  • the angle of the breast may have a value of 50 ° to 60 °, and preferably 55 °, according to another advantage for forming the all-steel garnish between the tooth face and the perpendicular to the wire running direction. Accordingly, the cusp back may also have an angle corresponding to the breast angle.
  • the cusp length may correspond to about 10% to 20%, preferably 12% to 18%, and most preferably 15% of the length of the tooth pitch from tooth tip to tooth tip.
  • FIG. 1 shows a sectional side view of the sawtooth wire with a tooth contour, which according to the invention has a cusp on a tooth tip section,
  • Figure 2 is a sectional view through the sawtooth wire
  • Figure 3 is a detail view of a tooth of the sawtooth wire with the features of the invention.
  • FIG. 1 shows a section of a sawtooth wire 10 of an all-steel clothing for a card or a carding machine for processing textile fibers.
  • the sawtooth wire 10 has a wire running direction 11, which is determined by the course of the bottom side 21 of the sawtooth wire 10.
  • the teeth 12 In the cutout of the sawtooth wire 10, two teeth 12 are shown, and the teeth 12 have tooth tips 18 which point in the wire running direction 11.
  • the tooth contour of the teeth 12 is determined by a plurality of sections, and the tooth contour begins with a tooth root 13, which merges into a tooth back 14, and the tooth back 14 is located on the side of the tooth 12, which opposes the wire running direction 11. Passing from Tooth back 14 follows a tooth tip portion 15 which may extend parallel to the wire running direction 11 or the tooth back portion 15 has a slope in the direction of the tooth back 14.
  • the tooth tip portion 15 continues into a tooth cusp 17 according to the invention, and the cusp 17 passes to form the tooth tip 18 on in a tooth face 16, wherein the tooth face 16 points in the direction of the wire running direction 11 and is extended by the height of the tooth bump 17. Finally, the tooth face 16 passes again into the following tooth base 13.
  • Figure 2 shows a side view of the sawtooth wire 10, and the base portion 22 of the sawtooth wire 10 is made wider than the width of the tooth 12, which adjoins the base portion 22 on the upper side.
  • the section, indicated in FIG. 1, lies between two teeth 12 and is delimited on the upper side with the tooth base 13.
  • FIG. 3 shows a detailed view of a tooth 12 of the sawtooth wire 10, and the tooth contour of the tooth 12 with the individual sections is shown in detail.
  • the tooth back 14 follows, which delimits the tooth 12 against the wire running direction 11.
  • the tooth back 14 merges into the tooth tip section 15, which has a length L.
  • a tooth bump 17 is formed on the tooth tip portion 15, and the cusp 17 has the cusp length I.
  • the contour goes from the rear tooth tip portion 15 in a cuspid back 20 and the cusps back 20 goes over into a cuspid roof 19.
  • the front side of the cuspidor 17 is the contour of the tooth face 16 in the hump roof 19 with formation of the tooth tip 18 over.
  • the breast angle ⁇ can be tapped between the tooth face 16 and the hump roof 19.
  • the cusp length I may be 10% to 50% and preferably 15% to 25% of the tooth tip length L.
  • the cusp length I may be less than the tooth tip length L.
  • the cusp length I may be 10% to 50%
  • the example shows that the cusp length I is about 20% of the tooth tip length L.
  • the sawtooth wire 10 is reground, the regrinding is carried out on the hump roof 19 of the tooth bump 17.
  • the sawtooth wire 10 can be reground several times until approximately the cusp 17 on the tooth tip section 15 has disappeared, and the tooth tip section 15 extends to the downwardly moved tooth tip 18 in the area of the dashed line, as shown in the figure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

La présente invention porte sur une garniture entièrement en acier pour une carde ou cardeuse destinée au travail des fibres textiles, qui présente un fil en dents de scie (10) comportant des dents (12) formées les unes derrière les autres dans la direction (11) du défilement du fil, le profil des dents (12) étant défini comme suit, en partant d'un fond de dent (13), il se transforme en au moins un dos de dent (14), puis en un segment en pointe de dent (15), puis en un front de dent (16), puis de nouveau en un fond de dent suivant (13), et le segment en pointe de dent (15) présentant une longueur de pointe de dent (L) déterminée dans la direction du défilement du fil (11). Selon l'invention, un pic de dent (17) est formé sur le segment de pointe de dent (15), le pic de dent (17) présentant une longueur de pic de dent (I) inférieure à la longueur de la pointe de dent (L).
EP15708442.7A 2014-04-07 2015-03-05 Garniture entièrement en acier pour une carde Active EP3129531B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014104883 2014-04-07
DE102014107079.8A DE102014107079B3 (de) 2014-04-07 2014-05-20 Ganzstahlgarnitur für eine Karde
PCT/EP2015/000498 WO2015154837A1 (fr) 2014-04-07 2015-03-05 Garniture entièrement en acier pour une carde

Publications (2)

Publication Number Publication Date
EP3129531A1 true EP3129531A1 (fr) 2017-02-15
EP3129531B1 EP3129531B1 (fr) 2020-04-29

Family

ID=53192971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15708442.7A Active EP3129531B1 (fr) 2014-04-07 2015-03-05 Garniture entièrement en acier pour une carde

Country Status (7)

Country Link
US (1) US10280535B2 (fr)
EP (1) EP3129531B1 (fr)
JP (1) JP6291080B2 (fr)
CN (1) CN106133217B (fr)
BR (1) BR112016020868B8 (fr)
DE (1) DE102014107079B3 (fr)
WO (1) WO2015154837A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016114622A1 (de) * 2016-08-08 2018-02-08 TRüTZSCHLER GMBH & CO. KG Sägezahndraht
CN107164848A (zh) * 2017-07-18 2017-09-15 长兴恒峰纺织有限公司 一种高效率化纤开松机
EP3473754B1 (fr) * 2017-10-20 2021-05-19 Groz-Beckert KG Fil de garniture
CN118223137A (zh) 2017-11-22 2024-06-21 挤压集团公司 熔喷模头尖端组件和方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60181326A (ja) * 1984-02-29 1985-09-17 Iwao Wada 金属針布
DE3539464A1 (de) 1985-11-07 1987-05-14 Hollingsworth Gmbh Verfahren zum behandeln der kanten eines saegezahndrahtes
DE3723872A1 (de) * 1987-07-18 1989-02-02 Hollingsworth Gmbh Reinigungsgarnitur fuer textilfasern bearbeitende elemente, insbesondere reinigungswalzen
DE4436378A1 (de) * 1994-10-12 1996-04-18 Staedtler & Uhl Sägezahngarnitur
DE19509743A1 (de) * 1995-03-17 1996-09-19 Fritz Stahlecker Garnitur für eine Auflösewalze
DE10012561B4 (de) * 2000-03-15 2004-09-02 Graf + Cie Ag Sägezahndraht
FR2821863B1 (fr) * 2001-03-08 2004-01-02 Ecc Platt Sa Garniture de carde, en particulier pour cylindre peigneur, cylindre travailleur ou cylindre condenseur
DE10114108B4 (de) 2001-03-22 2005-05-19 Hollingsworth Gmbh Sägezahndraht für eine Walzengarnitur
DE10254918A1 (de) * 2002-11-25 2004-06-09 Hollingsworth Gmbh Ganzstahlgarnitur für Walzen und/oder Trommeln von Karden oder Krempeln
JP2005350827A (ja) * 2004-06-14 2005-12-22 Kanai Hiroaki シリンダ用メタリックワイヤ
DE102007062841A1 (de) * 2007-12-21 2009-06-25 TRüTZSCHLER GMBH & CO. KG Sägezahnganzstahlgarnitur für Walzen und/oder Trommeln von Karden oder Krempel
US8745826B2 (en) * 2010-05-04 2014-06-10 Nv Bekaert Sa Wire profile for card clothing
WO2012019841A1 (fr) * 2010-08-09 2012-02-16 Nv Bekaert Sa Profil de fil pour garniture de carde
CH704510A1 (de) * 2011-02-18 2012-08-31 Graf & Co Ag Ganzstahlgarnitur.
EP2756119B1 (fr) * 2011-09-15 2016-03-30 Groz-Beckert KG Fil pour garniture de cadre avec forme des dents amelioree
KR101795122B1 (ko) * 2011-11-15 2017-11-07 그로츠-베케르트 카게 금속 카드 와이어

Also Published As

Publication number Publication date
DE102014107079B3 (de) 2015-06-18
BR112016020868B1 (pt) 2021-12-21
BR112016020868A2 (fr) 2017-08-15
US10280535B2 (en) 2019-05-07
JP2017512922A (ja) 2017-05-25
CN106133217A (zh) 2016-11-16
CN106133217B (zh) 2018-05-08
WO2015154837A1 (fr) 2015-10-15
US20170121863A1 (en) 2017-05-04
JP6291080B2 (ja) 2018-03-14
EP3129531B1 (fr) 2020-04-29
BR112016020868B8 (pt) 2022-07-05

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